Page 1 Page 2 Page 3 Foreword It Is with Great Pleasure That I Am
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Plain language summaries ᑐᑭᓯᒡᒐᓇᖏᑦᑐᑦ ᓇᓗᓇᐃᔭᖅᓯᒪᓂᖏᑦ Résumés en langage clair Foreword It is with great pleasure that I am introducing the 2019 Summary of Activities, now in its eighth year of production. This volume represents the work of the Canada-Nunavut Geoscience Office’s researchers, and also includes invited papers from other researchers conducting work in Nunavut. In 1999, Nunavut became Canada’s third territory. The Canada-Nunavut Geoscience Office (CNGO) was established that same year and is Nunavut’s de facto geological survey. The CNGO is a unique government entity within Canada, being comanaged and co-funded by three partners—two federal departments and the territorial Government of Nunavut (GN). The federal departments are Natural Resources Canada (NRCan) and Crown-Indigenous Relations and Northern Affairs Canada (CIRNAC); the territorial department is Economic Development and Transportation (GN-EDT). Nunavut Tunngavik Incorporated (NTI) is an ex-officio member of the CNGO Management Board that provides operational oversight for the office. The year 2020 is one in which many will reflect on Nunavut’s past and envision the future. The governments of Nunavut and Canada signed an Agreement-in-Principle (AIP) on August 15, 2019, the intent of which is to devolve Crown lands and oil, gas and mineral resources from the Government of Canada to the Government of Nunavut. The signatories were Aluki Kotierk, President of NTI; Joe Savikataaq, Premier of Nunavut; and Carolyn Bennett, Minister of Crown-Indigenous Relations. A Devolution Final Agreement will be in place in two years, to be followed by drafting of the legislation needed to bring devolution into effect in five years (2024). What the AIP and, ultimately, devolution mean for the CNGO is that the office would be amalgamated with other geoscientists and professionals in Nunavut who are currently responsible for Crown lands and resources. The CNGO would merge with the CIRNAC Nunavut Regional Office and the GN-EDT, and the united entity would likely form a new department of the Government of Nunavut. Following the template of the Northwest Territories, this new department would include a newly formed Nunavut Geological Survey. The CNGO is a small office with six professionals who provide expertise in Precambrian, Paleozoic and Quaternary geology, GIS and online geoscience-data dissemination. The office operates on annual funding from the three partners, which is used for operation of the office. The CNGO and the GN-EDT apply for additional research funding annually from external sources, principally the Canadian Northern Economic Development Agency (CanNor), under the Strategic Funds in Economic Development (SINED) program. This year marks the end of SINED funding sensu stricto, as CanNor moves to administer funds under its Pan-Territorial Growth Strategy. The purpose of this strategy is to help stimulate economic growth under the vision that reflects the unique advantages of each territory. The development of Nunavut’s mineral and petroleum resources has the potential to generate significant economic benefits for the territory. To date, Nunavummiut have benefited significantly from past and present mine development, mineral-resource production (e.g., gold, iron, lead, zinc) and exploration. Geoscience research and knowledge of Nunavut’s geology will allow all stakeholders in Nunavut to make sound decisions on mineral-resource development, land-use planning and infrastructure development for Nunavut’s economy and betterment. The mandate of the CNGO is to provide accessible geoscience information and expertise in Nunavut to support responsible resource exploration and development, responsible infrastructure development, and geoscience education, training and awareness. Researchers in the office initiate and conduct a wide range of geoscience research—mapping, interpreting and reporting on the geological features and resources of Nunavut. This work is conducted commonly through collaborations with other governments, universities, industry and communities. The aim is that the resultant data and interpretations assist northerners by ensuring that new geoscience information is equally accessible. The CNGO and its office partners co-manage and disseminate data through two websites (http://cngo.ca/ and http:// NunavutGeoscience.ca/). Work to migrate the websites to a new hosting platform was completed in 2019; updating of the websites is a focus for the office in 2020. The Summary of Activities volumes and the accompanying Geoscience Data Series disseminate the results of geological mapping (bedrock and surficial) and analytical results from sampling (rock, till, soil, lake sediment and stream sediment). Detailed papers—11 in total—with preliminary observations and interpretations are included in this Summary of Activities 2019 volume (also available for download at http://cngo.ca/). These papers discuss the results of research work conducted in 2019 under three broad themes: Regional Geoscience, Geoscience for Infrastructure and Data Dissemination. The first six papers present results of mapping—bedrock, stratigraphic and surficial. Zhang and Pell discuss collaborativework between the CNGO and themineral industry (Peregrine Diamonds, now De Beers Group) on the colour alteration index (CAI) values of Late Ordovician–early Silurian microfossils (conodonts) found within carbonate xenoliths in a diamond-bearing kimberlite from the Chidliak property on Hall Peninsula, Baffin Island. Their research helps in understanding the emplacement processes and cooling history of the kimberlites. Canada-Nunavut Geoscience Office Summary of Activities 2019, Plain language summaries Canada-Nunavut Geoscience Office Summary of Activities 2019, Plain language summaries ᑲᓇᑕᐅᑉ-ᓄᓇᕘᓪᓗ ᐅᔭᖅᑲᓂᒃ ᖃᐅᔨᓴᖅᑎᖏᑦ ᓇᐃᓪᓕᑎᖅᓯᒪᔪᑦ ᐊᐅᓚᓂᐅᔪᓄᑦ 2019, ᑐᑭᓯᒡᒐᓇᖏᑦᑐᑦ ᓇᓗᓇᐃᔭᖅᓯᒪᓂᖏᑦ ᑲᓇᑕᐅᑉ-ᓄᓇᕘᓪᓗ ᐅᔭᖅᑲᓂᒃ ᖃᐅᔨᓴᖅᑎᖏᑦ ᓇᐃᓪᓕᑎᖅᓯᒪᔪᑦ ᐊᐅᓚᓂᐅᔪᓄᑦ 2019, ᑐᑭᓯᒡᒐᓇᖏᑦᑐᑦ ᓇᓗᓇᐃᔭᖅᓯᒪᓂᖏᑦ # Bureau géoscientifique Canada-Nunavut Sommaire des activités 2019, Résumés en langage clair Bureau géoscientifique Canada-Nunavut Sommaire des activités 2019, Résumés en langage clair In 2017, the CNGO identified and started a multiyear and multifaceted project concentrating on the northwestern portion of ᐱᒋᐊᕈᑎᒃᓴᑦ Baffin Island between the communities of Arctic Bay and Igloolik. This Fury and Hecla Geoscience Project is led by the CNGO and involves mapping and sampling of Archean, Proterozoic and Paleozoic rocks, and Quaternary surficial deposits and features. Four papers discuss different aspects of this project that started with an aeromagnetic survey and continued with ᖁᕕᐊᓱᓪᓚᕆᒃᖢᖓ ᓴᖅᑮᔭᖃᕈᓐᓇᕋᒪ ᐅᓪᓗᒥᐅᔪᖅ ᑖᔅᓱᒥᖓ 2019 ᐅᓂᒃᑳᕆᔭᖏᑦ ᖃᓄᐃᓕᐅᕈᑎᕕᓂᑦᑎᓐᓄᑦ, ᑕᒪᓐᓇᓗ ᑎᓴᒪᐅᔪᖅᑐᓄᑦ mapping. The bedrock mapping components (Lebeau et al., Dufour et al., and Greenman et al.) were carried out in collaboration ᓴᓇᔭᐅᓯᒪᓕᖅᑎᓪᓗᒍ. ᐅᓇ ᐅᖃᓕᒫᒐᓕᐊᖑᔪᖅ ᓴᖅᑮᔭᖃᖅᑐᖅ ᑲᒪᒋᔭᐅᓯᒪᔪᓂᒃ ᖃᐅᔨᓵᕆᔭᑦ ᑲᓇᑕ−ᓄᓇᕗᑦ ᐅᔭᕋᖏᓄᑦ ᖃᐅᔨᓴᖅᑏᑦ with geoscientists from three universities. Framework mapping (Lebeau et al.) of the rocks underlying the northern project area ᑎᑎᕋᕝᕕᖓᑕ ᖃᐅᔨᓴᖅᑎᖏᓂᒃ, ᐊᒻᒪᓗ ᐃᓚᖃᕆᓪᓗᓂ ᑐᙵᓴᐃᔭᓄᑦ ᐸᐃᑉᐹᓂᒃ ᑎᑎᕋᖅᑕᐅᔪᑦ ᐊᓯᖏᓄᑦ ᖃᐅᔨᓴᖅᑎᓄᑦ ᑲᒪᒋᔭᖃᖅᑐᑦ determined that the dominant rocks are various granitoid rocks with minor amounts of folded and sulphide rich supracrustal ᓄᓇᕘᒥ. banded iron formation; these are intruded by locally mineralized ultramafic intrusions (some of which are possibly of carving- stone quality) and syenogranite intrusions, and mafic and pegmatite dykes. The Fury and Hecla Basin in the southern portion of ᐊᕐᕌᒍᐊᓂ 1999, ᓄᓇᕗᑦ ᑲᓇᑕᐅᑉ ᐅᑭᐅᖅᑕᖅᑐᖓᓐᓂᒃ ᐱᖓᔪᒋᔭᐅᓕᖅᖢᓂ ᐊᕕᒃᓯᒪᓂᓕᖕᓂᒃ. ᑲᓇᑕ−ᓄᓇᕗᑦ ᐅᔭᕋᖏᓄᑦ ᖃᐅᔨᓴᖅᑏᑦ the project area is a poorly understood remnant of the late Mesoproterozoic Bylot basins system. Dufour et al. determined the ᑎᑎᕋᕝᕕᖓ (CNGO) ᓴᖅᑭᑕᐅᓂᑰᔪᖅ ᑕᐃᔅᓱᒪᓂ ᐊᒻᒪᓗ ᓄᓇᕘᑉ ᓲᕐᓗ ᑭᖑᕝᕕᖅᑎᙳᐊᖓ ᐅᔭᕋᓄᑦ ᖃᐅᔨᓵᖃᖅᑎᓄᑦ. ᑖᓐᓇ CNGO timing of emplacement of mafic rocks of the Fury and Hecla Group in this Fury and Hecla Basin, and younger mafic intrusions. ᐊᔾᔨᖃᔮᖏᑦᑐᖅ ᒐᕙᒪᐅᕐ ᑎᒥᖁᑖᓄᑦ ᐃᓗᐊᓂ ᑲᓇᑕᐅᑉ, ᑲᑐᔾᔭᐅᔪᒃᑯᑦ ᑲᒪᒋᔭᐅᔪᖅ ᑮᓇᐅᔭᖃᖅᑎᑕᐅᓪᓗᓂ ᐱᖓᓱᓄᑦ ᑲᑐᔾᔨᖃᑎᒌᓄᑦ − ᒪᕐᕉᒃ Greenman et al. updated the stratigraphy of the Fury and Hecla Group of this same basin, resulting in a better understanding of ᒐᕙᒪᑐᖃᒃᑯᑦ ᐱᓕᕆᕝᕕᖏᑦ ᐊᒻᒪᓗ ᓄᓇᕘᑉ ᒐᕙᒪᒃᑯᖏᑦ (GN). ᒐᕙᒪᑐᖃᒃᑯᑦ ᐱᓕᕆᕝᕕᖏᑦ ᐅᑯᐊᖑᔪᑦ ᓄᓇᒥᐅᑕᓕᕆᔨᒃᑯᑦ ᑲᓇᑕᒥ past climatic, tectonic and biological conditions during this part of the Proterozoic. Tremblay et al. studied the glacial sediments (NRCan) ᑯᐃᓐ−ᓄᓇᖃᖅᑳᖅᓯᒪᔪᑦ ᐊᒃᑐᐊᓂᖏᑦ ᐅᑭᐅᖅᑕᖅᑐᒥᓪᓗ ᐱᔭᒃᓴᐅᓲᑦ ᑲᓇᑕᒥ (CIRNAC); ᓄᓇᕘᑉ ᒐᕙᒪᒃᑯᖏᑕ ᐱᓕᕆᕝᕕᖓ located north of Fury and Hecla Strait using geochemistry, heavy minerals and sedimentological analysis to reconstruct the ᐱᕙᓪᓕᐊᔪᓕᕆᔨᒃᑯᑦ ᐃᖏᕐᕋᔪᓕᕆᔨᒃᑯᓪᓗ ᐱᓕᕆᕝᕕᖓ (GN-EDT). ᓄᓇᕗᑦ ᑐᙵᕕᒃ ᑎᒥᖓᑦ (NTI) ᓂᕈᐊᕈᓐᓇᕋᑎᒃ ᐃᓚᒋᔭᐅᒋᕗᑦ ᑖᒃᑯᐊ glacial history and evaluate the mineral potential of the sediments of this area. The final paper under the general theme of CNGO ᐊᐅᓚᑦᑎᔨᑦ ᑲᑎᒪᔨᖏᓐᓂᒃ ᐱᑕᖃᖅᑎᑦᑎᓲᖅ ᐊᐅᓚᑕᐅᔪᓄᑦ ᑲᒪᒋᔭᖃᓐᓂᒻᒥᒃ ᑎᑎᕋᕝᕕᑦᑎᓐᓄᑦ. mapping (Hodgskiss and Sterling) discusses the stratigraphy and shale geochemistry of the Belcher Group, Belcher Islands. Overall, their data provide a new perspective on the evolution of Earth’s oceans as recorded in the Belcher Group. ᐊᕐᕌᒍᖓ 2020 ᐃᓚᒋᔭᖓ ᐅᓄᖅᑐᒻᒪᕆᑦ ᐃᓱᒪᒋᔭᖃᓐᓂᐊᖅᑐᑦ ᓄᓇᕘᑉ ᐊᑐᖅᓯᒪᔭᖏᓐᓂᒃ ᐊᒻᒪᓗ ᑕᐅᑐᙳᐊᕆᔭᖃᕋᓱᒡᓗᑎᒃ ᓯᕗᓂᒃᓴᒥᒃ. ᒐᕙᒪᖏᑦ ᓄᓇᕘᑉ ᐊᒻᒪᓗ ᑲᓇᑕᐅᑉ ᐊᑎᓕᐅᕆᔭᖃᓚᐅᖅᑑᒃ ᐊᖏᕈᑎ−ᐱᒋᐊᕈᑎᒃᓴᖅ (AIP) ᐋᒡᒐᓯ 15, 2019, ᑐᕌᒐᕆᔭᖓ ᑐᓂᔭᐅᓗᑎᒃ ᑯᐃᓐ Four papers discuss results from work under the theme of ‘Geoscience for Infrastructure’. LeBlanc et al. continued work in the ᓄᓇᖁᑎᖏᑕ ᑲᒪᒋᔭᐅᓂᖏᑦ ᐊᒻᒪᓗ ᐅᖅᓱᐋᓗᒃᓴᖅ, ᐳᓪᓚᐅᔭᖅ ᐊᒻᒪᑦᑕᐅᖅ ᓴᕕᕋᔭᒃᓴᖃᓐᓂᖏᑦ ᑮᓇᐅᔭᓕᐅᕈᑎᒃᓴᑦ ᑲᓇᑕᐅᑉ Rankin Inlet area that deals with lake area and shoreline changes near Rankin Inlet, Nunavut, and the interannual climate ᒐᕙᒪᑐᖃᒃᑯᖏᓐᓂᒃ ᓄᓇᕘᑉ ᒐᕙᒪᖏᓄᑦ. ᐊᑎᓕᐅᖃᑕᐅᔫᒃ ᐊᓗᑭ ᑰᑦᑎᖅ, ᐊᖓᔪᖅᑳᖅ ᑐᙵᕕᒃᑯᓐᓂ, ᔫ ᓴᕕᑲᑖᖅ,